. Steel rails; their history, properties, strength and manufacture, with notes on the principles of rolling stock and track design . STRESSES IN BASE OF RAIL - STONE Fig. 167. — Railroad Track Experiments, Pennsylvania R. R. Stress in Rail. 236 STEEL RAILS All of the experiments just described have been made with the static loadof the engine. In 1897, Dr. P. H. Dudley commenced a series of interestingtests to determine the effect of the dynamic load of the engine. * In Figs. 168 and 169 are shown the results of tests made by Dr. Dudleywith the stremmatograph. The principle of the str
. Steel rails; their history, properties, strength and manufacture, with notes on the principles of rolling stock and track design . STRESSES IN BASE OF RAIL - STONE Fig. 167. — Railroad Track Experiments, Pennsylvania R. R. Stress in Rail. 236 STEEL RAILS All of the experiments just described have been made with the static loadof the engine. In 1897, Dr. P. H. Dudley commenced a series of interestingtests to determine the effect of the dynamic load of the engine. * In Figs. 168 and 169 are shown the results of tests made by Dr. Dudleywith the stremmatograph. The principle of the stremmatograph is to recordon a moving strip the molecular compression or elongation of the metal in agiven length of the base of the rail, induced by the strains produced by each 5T£ CAR. -fiOC 4T2CAR 3S2CAR 2t!2CAR TENDER ENGINE,noo ooo ooo ooo ooo onn ooo ooooo nn (. JUnnlk 5000lbs. RECORD IOOlb. RAIL 6HIGH « 19 Ml. PER HOUR ,| | comp. o -jij-^UjuUj^ljlJL^ ~ WWWWWV MM MM Ml ,,M T Tn SOOOIbs COM P. O A 1 TENSION Ti lOOOOlba 1 J 1 RECORD 80rb. RAIL 5HIGH 40MI, PER HOUR \ 1 SOOOOIbs Fig. 168. —■ Stremmatograph Tests at 19 and 40 wheel of t
Size: 2314px × 1080px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookidsteelrailsth, bookyear1913
